/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.inlong.agent.utils.file;

import com.google.common.base.Predicate;

import java.io.File;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class DirNameRegexMatchPredicate implements Predicate<File> {

    private Pattern pattern;

    public DirNameRegexMatchPredicate(String regex, boolean caseSensitive) {
        if (regex == null || regex.isEmpty()) {
            regex = ".*";
        }
        if (!caseSensitive) {
            pattern = Pattern.compile(regex, Pattern.CASE_INSENSITIVE);
        } else {
            pattern = Pattern.compile(regex);
        }
    }

    public boolean apply(File input) {
        Matcher matcher = pattern.matcher(input.getAbsolutePath());
        return matcher.matches() || matcher.lookingAt();
    }

}
